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Faced Fiberglass

Bay Insulation Systems’ Faced Metal Building Insulation is comprised of a resilient, light density fiberglass blanket (NAIMA 202-96 Insulation Only), laminated to a high quality vapor retarder facing.

Find Faced / Laminated MBI Documents Here »



WMP-VR Tech Data Sheet

Low-Cost Standard Duty


Standard Duty


Heavy Duty, UL Classified OEM PSK


Premium Heavy Duty with Added Abuse Resistance


Low-Cost Standard Duty

R-3035 HD

Heavy Duty Foil/Scrim/Kraft


Premium Heavy Duty with Added UV Resistance


Highly Abuse Resistant


Highly Abuse Resistant

Radiant Ice

Double Sided Foil with
Tear Resistance


Tuff Face

Tuff Face

White Vinyl

White vinyl facing

Custom Lamination and Packaging

Every order is custom laminated to fit your building dimensions and criteria. Each roll is individually tagged to identify its intended location in the building roof, sidewalls and endwalls.

Approximate Thickness
Available Widths**
R-10 3.0" 36", 48", 60", 72" Custom laminated to length.
R-11 3.5" 36", 48", 60", 72" Custom laminated to length.
R-13 4.0" 36", 48", 60", 72" Custom laminated to length.
R-16* 5.0" 36", 48", 72" Custom laminated to length.
R-19 6.0" 36", 48", 60", 72" Custom laminated to length.
R-25 8.0" 48", 60", 72" Custom laminated to length.
R-30 9.5" 48", 60", 72" Custom laminated to length.

Tab Options

Facing tabs are provided for sealing side joints between adjoining rolls of faced fiberglass. Bay Insulation offers several options:

Tab Method
Double 3" Staple Tabs Facing tabs from 2 adjoining rolls are pulled together between fiberglass joint and stapled with a long-nosed staple pliers.
Single 6" No-Staple Tab First roll of insulation is installed with 6" tab as leading edge. Next roll is nested over tab from first roll.
Single 6" "Reinforced"
No-Staple Tab
Mylar reinforcement is added at 6" tab to provide rigidity.
Single 6" Self-Adhering
No-Staple Tab
An adhesive strip with removable backer is added to 6" tab for adhering tab to adjoining roll.
Double 12" or 15" Tabs For use with double fiberglass layer "High R-Value" systems. Tabs from adjoining purlin spaces are lapped together over purlin.
Tuck Tab For use in single layer application where a single 6" tab is folded under the facing of the adjacent roll.


NAIMA 202-96® fiberglass metal building insulations are blanket insulations engineered specifically for metal building construction. These insulations are certified by the NAHB to meet the 202-96® standard for flexible fiberglass used in Metal Buildings and are engineered and produced to maintain their stated R-value after the rigors of facing lamination, shipping, storage, and handling that occurs during installation. Bay Insulation uses NAIMA 202-96® fiberglass when laminating R-10, R-11, R-13, R-16, R-25 and R-30.


The NIA (National Insulation Association) standard provides a basis for quality control procedures of the lamination process and for certifying post-laminated R-Value. Every Bay plant is compliant with the standard for "Certified Faced Insulation".